Home / 83,394.92-115,038.32-49,370.22

Finding the Fourth Proportional to 83,394.92, 115,038.32 and 49,370.22

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Solution

The fourth proportional to 83,394.92, 115,038.32 and 49,370.22 is: 68,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.92 : 115,038.32 = 49,370.22 : x
  2. Step 2: Convert to fraction form
    83,394.92/115,038.32 = 49,370.22/x
  3. Step 3: Cross multiply
    83,394.92x = 115,038.32 × 49,370.22
  4. Step 4: Simplify right side
    83,394.92x = 5,679,466,919.98
  5. Step 5: Solve for x
    x = 5,679,466,919.98/83,394.92
  6. Step 6: Final answer
    x = 68,103.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.